# 239

## 239 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 239 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

239 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 239:

### 239

See below for interesting mathematical facts about the number 239 from the Numbermatics database.

### Names of 239

• Cardinal: 239 can be written as Two hundred thirty-nine.

### Scientific notation

• Scientific notation: 2.39 × 102

### Factors of 239

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 239

### Divisors of 239

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 240
• Sum of proper divisors (its aliquot sum) s(n): 1
• 239 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 238

### Bases of 239

• Binary: 111011112
• Base-36: 6N

### Squares and roots of 239

• 239 squared (2392) is 57121
• 239 cubed (2393) is 13651919
• The square root of 239 is 15.4596248337
• The cube root of 239 is 6.2058217949

### Scales and comparisons

How big is 239?
• 239 seconds is equal to 3 minutes, 59 seconds.
• To count from 1 to 239 would take you about fifty-nine seconds.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 239 cubic inches would be around 0.5 feet tall.

### Recreational maths with 239

• 239 backwards is 932
• 239 is a twin prime! Its twin is 241
• The number of decimal digits it has is: 3
• The sum of 239's digits is 14
• More coming soon!